Saturday, January 19, 2008:

January 19, 2008 06:00 AM to 6:00 PM EST, CDX UDDI and RCRA Converter services may experience intermittent outages.

Friday, January 18, 2008:

Friday, January 18, 2008 5:00 PM to Monday, January 21, 2008 9:00 AM EST - Stormwater Notice of Intent (SWeNOI) application will be down due to system upgrade. The upgraded version of SWeNOI will allow construction stormwater operators to submit and modify Notices of Intent (NOIs), Notices of Termination (NOTs) and Low Erosivity Waivers (LEWs) under EPA's stormwater general permit.

Friday, December 14, 2007:

From Friday, December 14, 2007 5:00 PM to Tuesday, December 18, 2007 6:00 PM EST, the eNOI system will be unavailable due to a system upgrade. The updated eNOI system will be available for use starting Wednesday, December 19.

Friday, December 7, 2007:

From Friday, December 7, 2007 at 2:00 PM to Saturday, December 8, 2007 at 8:00 PM, The TRIMEweb application will be unavailable to all users in order to perform system-wide stress testing. No TRIMEweb submissions and/or Revisions will be allowed during this time.

Saturday, December 1, 2007:

December 1, 2007 from 6:00 am to 6:00 pm EST, the CDX Web and Exchange Network may experience intermittent outages.

Saturday, November 17, 2007:

From November 17, 2007 06:00 AM EST to 6:00 PM EST, the CDX UDDI service and RCRA converter services may experience intermittent outages.

Saturday, November 3, 2007:

From November 3, 2007 06:00 AM EST to 6:00 PM EST CDX QA server XML Validation services may experience intermittent outages" affecting the Exchange Network and CDX Web applications.

Monday, October 8, 2007:

From October 8, 2007 08:00 PM EST to 7:00 AM EST on October 9, 2007 - CDX servers will be intermittently unavailable to all users due to hardware and operating system maintenance upgrades.

Saturday, September 8, 2007:

September 8, 2007 06:00 AM EST to 1:00 PM EST - CDX Web may be intermittently unavailable to all users due to hardware and operating system maintenance upgrades.

Saturday, August 11, 2007:

August 11, 2007 06:00 AM EST to 2:00 PM EST - CDX Production Environment - Schematron and XML Validation services may experience intermittent outages.

Saturday, July 28, 2007:

July 28, 2007 from 08:00 AM EST to 12:00PM EST - CDX Production including theEPA Node and the Exchange Network may experience brief intermittant outages for Network/Firewall maintenace.